To follow up your recommendation: he was more than a Roman emperor, he was arguably one of, if not the most powerful people on the planet. Some might argue that

To follow up your recommendation: he was more than a Roman emperor, he was arguably one of, if not the most powerful people on the planet. Some might argue that any Roman Empror was, but his reign I believe was near the zenith of Rome’s Empire in terms of territory (please correct me if I’m wrong). Therefore you’re reading his diary, realizing his own worries, all the while being this person.